CN220194289U - Ultralow emission device of coal-fired boiler - Google Patents
Ultralow emission device of coal-fired boiler Download PDFInfo
- Publication number
- CN220194289U CN220194289U CN202321412580.6U CN202321412580U CN220194289U CN 220194289 U CN220194289 U CN 220194289U CN 202321412580 U CN202321412580 U CN 202321412580U CN 220194289 U CN220194289 U CN 220194289U
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- Prior art keywords
- dust removal
- fixed
- dust
- filter
- coal
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- 239000000428 dust Substances 0.000 claims abstract description 97
- 239000004744 fabric Substances 0.000 claims abstract description 27
- 239000003245 coal Substances 0.000 claims abstract description 10
- 210000003437 trachea Anatomy 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 28
- 239000003546 flue gas Substances 0.000 abstract description 28
- 239000012535 impurity Substances 0.000 abstract description 17
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 238000001914 filtration Methods 0.000 description 9
- 150000004767 nitrides Chemical class 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 150000003568 thioethers Chemical class 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010035148 Plague Diseases 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to the technical field of flue gas treatment, and discloses an ultralow emission device of a coal-fired boiler, which comprises a dust removal box, wherein an air inlet pipe is arranged on the dust removal box, the top end of the dust removal box is communicated with a reaction tank, an air outlet pipe is arranged on the reaction tank, and a rotating shaft is rotatably connected inside the dust removal box. This coal fired boiler ultralow emission device, through the structural feature of pivot and filter, the clearance that produces when being convenient for reduce the clean time filter adjustment position, through the operation of moving first drive shaft, be convenient for promote the filter through the rotation of first cam and produce vibrations, shake off the dust on its surface, the cooperation is the closure plate of sliding in spacing seat all the time, thereby avoid the too big flue gas that makes unfiltered of clearance to flow, through moving second drive shaft, be convenient for make its shake clean dust impurity of second cam and filter cloth bag inside contact, play quick clear effect in the guarantee device normal operating.
Description
Technical Field
The utility model relates to the technical field of flue gas treatment, in particular to an ultralow emission device of a coal-fired boiler.
Background
The coal-fired boiler is coal burned by fuel, steam is generated or the heat of the coal is changed into hot water after the heat of the coal is converted, but not all the heat is converted completely and effectively, and a part of the heat is not consumed by the coal-fired boiler, so that the efficiency problem exists, a large amount of flue gas is generated when the coal-fired boiler is used, particles, sulfur-containing compounds and nitrogen-containing compounds contained in the flue gas are all substances polluting the atmosphere, the problem of smoke dust of the coal-fired boiler always plagues people, the flue gas of the coal-fired boiler is generally treated by dedusting firstly and then desulfurization and denitrification are carried out, but because the flue gas contains a large amount of dust particles, the dust particles have different sizes, the dust removing equipment is inevitably blocked after long-term use, equipment failure is caused, the flue gas treatment is influenced to a certain extent, and the coal-fired boiler is inconvenient to use.
The utility model provides a flue gas pollutant ultralow emission device of a coal-fired boiler, which comprises a dust removal tank, a reaction tank, a filtering mechanism, a cleaning component, an air inlet component and an air outlet component.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an ultralow emission device of a coal-fired boiler, which solves the problem that the device needs to stop the normal operation of the device when a filter screen is cleaned, otherwise unfiltered smoke can directly enter a reaction tank through a gap, and certain limitation exists.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an ultralow discharging equipment of coal fired boiler, includes the dust removal case, install into the trachea on the dust removal case, dust removal case top intercommunication has the retort, install the outlet duct on the retort, the dust removal incasement portion rotates and is connected with the pivot, be fixed with the filter in the pivot, dust removal incasement portion is fixed with spacing seat, the filter other end is fixed with the closing plate, the closing plate slides in spacing seat, dust removal incasement portion installs first drive shaft, rotate on the filter and be connected with auxiliary roller, first drive shaft surface is fixed with first cam, first cam and auxiliary roller contact, the second dust collection case is installed to dust removal case bottom.
Preferably, a positioning seat is fixed on the outer side of the dust removal box, a reset torsion spring is sleeved at the outer end of the rotating shaft, and two ends of the reset torsion spring are respectively fixed with the positioning seat and the rotating shaft.
Preferably, a fixing seat is fixed at the top end of the dust removal box, a positioning frame is fixed on the fixing seat, a filter cloth bag is sleeved on the surface of the positioning frame, and the filter cloth bag is fixed with the fixing seat through a fixing hoop and a bolt.
Preferably, three groups of second driving shafts are installed on the positioning frame, and a plurality of groups of second cams are uniformly fixed on the surfaces of the second driving shafts.
Preferably, a flow guide seat is fixed in the dust removal box, the filter cloth bag is positioned in the flow guide seat, a filter screen is inserted on the flow guide seat, and the outer side of the flow guide seat is communicated with a first dust collection box.
Preferably, the bottom of the inner wall of the dust removing box is inclined to one side of the second dust collecting box, and the bottom of the inner wall of the flow guiding seat is inclined to one side of the first dust collecting box.
Compared with the prior art, the utility model provides the ultralow emission device of the coal-fired boiler, which has the following beneficial effects:
1. this coal fired boiler ultralow emission device, through the structural feature of pivot and filter, the clearance that produces when being convenient for reduce the clean time filter adjustment position, through the operation of moving first drive shaft, be convenient for promote the filter through the rotation of first cam and produce vibrations, shake off the dust on its surface, the cooperation is the closure plate of sliding in spacing seat all the time, thereby avoid the too big flue gas that makes unfiltered of clearance to flow, through moving second drive shaft, be convenient for make its shake clean dust impurity of second cam and filter cloth bag inside contact, play quick clear effect in the guarantee device normal operating.
2. This coal fired boiler ultralow emission device, through filter and the filtration sack that sets up, be convenient for to flue gas secondary filtration treatment, guarantee flue gas dust impurity's content reduces to the minimum, has the filter screen through pegging graft on the guide bracket, is convenient for when the clearance filters the sack, through inserting the filter screen, and the bore of filter screen filtration pore is less than the filtration sack, and then makes the dust that filters the sack surface and be cleared up get into first dust collection case when guaranteeing that the device filters normally to avoid dust impurity to flow back from the guide bracket.
3. This coal fired boiler ultralow discharging equipment is fixed with the positioning seat through the dust bin outside, and the outer pot head of pivot is equipped with reset torsion spring, and reset torsion spring's both ends are fixed with positioning seat and pivot respectively, are convenient for improve the speed that the whereabouts of filter reset, make the auxiliary roller produce vibrations with first cam contact fast, shake off the dust impurity on the filter to improve clear effect and the efficiency of filter.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the dust box structure of the utility model;
FIG. 3 is a schematic view of a positioning frame according to the present utility model.
In the figure: 1. a dust removal box; 2. an air inlet pipe; 3. a reaction tank; 4. an air outlet pipe; 5. a first drive shaft; 6. a first cam; 7. a rotating shaft; 8. a filter plate; 9. an auxiliary roller; 10. a closing plate; 11. a limit seat; 12. a diversion seat; 13. a filter screen; 14. a fixing seat; 15. a positioning seat; 16. a reset torsion spring; 17. a first dust box; 18. a second dust box; 19. filtering the cloth bag; 20. a positioning frame; 21. a second drive shaft; 22. and a second cam.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a coal fired boiler ultralow emission device, including dust removal case 1, install into trachea 2 on the dust removal case 1, dust removal case 1 top intercommunication has retort 3, install outlet duct 4 on the retort 3, send into the flue gas in the dust removal case 1 through into trachea 2 and filter the dust impurity back, some harmful acid sulfide and nitride then get into retort 3, there is alkaline sodium hydroxide solution in retort 3, fully mix with sodium hydroxide solution by the flue gas after the filtration, thereby in and purify thoroughly to sulfide and nitride in the flue gas, flue gas after being purified can be discharged outside through outlet duct 4, dust removal case 1 inside rotates and is connected with pivot 7, be fixed with filter 8 in the pivot 7, dust removal case 1 inside is fixed with spacing seat 11, the filter 8 other end is fixed with closing plate 10, closing plate 10 slides in spacing seat 11, dust removal case 1 internally mounted has first drive shaft 5, the last rotatory auxiliary roller 9 that is connected with of filter 8, first drive shaft 5 surface is fixed with first cam 6, first cam 6 contacts with auxiliary roller 9, thereby install second case 1 bottom the second case 18, thereby need make the filter plate rotate the first cam 6 and make the first cam 8 rotate the first drive shaft 6 and make the first cam 8 rotate the spacing seat 11 and make the dust removal case 1 inside the rotation, thereby the dust removal case 1 is rotated the first and is rotated the clearance, the first drive cam is rotated the first and is rotated the 5 and is made the first and is rotated the first and is made the dust 5, thereby the dust removal is made the first and is rotated and is made the first and is blown down by the first and is made the first and is the 5.
Specifically, in order to facilitate resetting of the filter plate 8, a positioning seat 15 is fixed on the outer side of the dust removal box 1, a reset torsion spring 16 is sleeved at the outer end of the rotating shaft 7, two ends of the reset torsion spring 16 are respectively fixed with the positioning seat 15 and the rotating shaft 7, the dropping speed of the filter plate 8 is improved, and the auxiliary roller 9 is enabled to be in contact with the first cam 6 rapidly, so that the cleaning effect and efficiency of the filter plate 8 are improved.
Specifically, in order to facilitate improvement of the filtering effect, the top end of the dust removal box 1 is fixed with a fixed seat 14, a positioning frame 20 is fixed on the fixed seat 14, a filter cloth bag 19 is sleeved on the surface of the positioning frame 20, the filter cloth bag 19 is fixed with the fixed seat 14 through a fixing hoop and bolts, and smoke filtered by the filter plate 8 is filtered again through the filter cloth bag 19 for a second time, and meanwhile the filter cloth bag 19 is convenient to detach and replace.
Specifically, in order to facilitate cleaning of dust on the surface of the filter cloth bag 19, three groups of second driving shafts 21 are mounted on the positioning frame 20, and multiple groups of second cams 22 are uniformly fixed on the surface of the second driving shafts 21, when dust impurities on the surface of the filter cloth bag 19 are excessive, the second driving shafts 21 are driven to operate by the driving motor, so that the second cams 22 rotate and further contact with the inside of the filter cloth bag 19 to shake the filter cloth bag, and dust impurities are shaken off.
Specifically, in order to be convenient for avoid dust impurity backward flow, dust collection box 1 inside is fixed with guide seat 12, and filter sack 19 is located guide seat 12 inside, and the grafting has filter screen 13 on the guide seat 12, and guide seat 12 outside intercommunication has first dust collection box 17, when clearance filter sack 19, through inserting filter screen 13, the bore of filter hole is less than filter sack 19 on the filter screen 13, and then makes the dust that filter sack 19 surface was cleared up get into first dust collection box 17 when guaranteeing the normal work of device to avoid dust impurity backward flow from the space.
Specifically, in order to facilitate the collection of the impurity dust, the bottom of the inner wall of the dust removal box 1 is inclined to the side of the second dust collection box 18, and the bottom of the inner wall of the guide seat 12 is inclined to the side of the first dust collection box 17, so that the dust and the impurity cleaned on the filter plate 8 and the filter cloth bag 19 are smoothly collected.
Working principle: the flue gas is sent into the dust removal box 1 through the gas inlet pipe 2 and is primarily filtered through the filter plate 8, then the flue gas enters the guide seat 12 and is subjected to secondary filtration treatment through the filter cloth bag 19, the content of dust impurities in the flue gas is guaranteed to be reduced to the minimum, and some harmful acid sulfides and nitrides in the flue gas enter the reaction tank 3, alkaline sodium hydroxide solution exists in the reaction tank 3, filtered flue gas is fully mixed with the sodium hydroxide solution, thereby the neutralization and purification of sulfides and nitrides in the flue gas are thorough, the purified flue gas can be discharged to the outside through the gas outlet pipe 4, after the filter plate 8 and the filter cloth bag 19 are used for a long time, the first driving shaft 5 is driven to operate through the driving motor, so that the first cam 6 is driven to rotate, and the dust impurities on the surface of the filter plate 8 are shaken off into the second dust collection box 18 along with the rotation of the first cam 6, and meanwhile the filter plate 8 and the structural characteristics of the rotating shaft 7 are matched with the sealing plate 10 to slide in the limit seat 11 all the time, so that the unfiltered flue gas is prevented from flowing through too much, the driving motor is controlled to drive the second driving shaft 21 to operate, the second cam 22 is driven to rotate, and then the second cam 22 is contacted with the filter cloth bag 19 for the inside to enable the dust to be shaken out to be in the dust collection box 17, and the dust collection box is well cleaned.
To sum up, this coal-fired boiler ultralow emission device, through the structural feature of pivot 7 and filter 8, the clearance that produces when being convenient for reduce the position is adjusted to filter 8 during the cleanness, through the operation of moving first drive shaft 5, be convenient for promote filter 8 production vibrations through the rotation of first cam 6, shake off the dust on its surface, the cooperation is in limit seat 11 gliding closure plate 10 all the time, thereby avoid the too big flue gas that makes unfiltered flue gas flow in clearance, through moving second drive shaft 21, be convenient for make second cam 22 and filter cloth 19 inside contact make it shake clean dust impurity, play quick clear effect in the guarantee device normal operating, through filter 8 and filter cloth 19 that set up, be convenient for to flue gas secondary filtration treatment, the content of guarantee flue gas dust impurity falls to the minimum, through pegging graft on the water conservancy diversion seat 12, be convenient for when clearing up filter cloth 19, through inserting filter screen 13, the bore of filter 13 is less than filter cloth 19, and then make filter cloth 19 surface by the dust entering first dust collection box 17 when normal filterable at the device, and through the second drive shaft 21 of running, be convenient for make its shake clean dust impurity, the effect of vibration of the filter cloth 8 is equipped with the torsional spring 8 is equipped with to the pivot that the filter 8 is equipped with to the clearance, the speed of the improvement in the roller 8 is convenient for take off the position to be convenient for the roller 8, the speed is equipped with the roller 8 is convenient for the improvement in the speed that the roller that shakes the position is convenient for the roller 1, the roller 8 is equipped with the improvement of the roller 8.
The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a coal fired boiler ultralow emission device, includes dust removal case (1), install into trachea (2) on dust removal case (1), dust removal case (1) top intercommunication has retort (3), install outlet duct (4), its characterized in that on retort (3): the novel dust removal device is characterized in that a rotating shaft (7) is connected to the inside of the dust removal box (1) in a rotating mode, a filter plate (8) is fixed to the rotating shaft (7), a limiting seat (11) is fixed to the inside of the dust removal box (1), a sealing plate (10) is fixed to the other end of the filter plate (8), the sealing plate (10) slides in the limiting seat (11), a first driving shaft (5) is mounted inside the dust removal box (1), an auxiliary roller (9) is connected to the filter plate (8) in a rotating mode, a first cam (6) is fixed to the surface of the first driving shaft (5), the first cam (6) is in contact with the auxiliary roller (9), and a second dust collection box (18) is mounted at the bottom of the dust removal box (1).
2. The ultra-low emission device of a coal-fired boiler according to claim 1, wherein: the dust removal box (1) outside is fixed with positioning seat (15), reset torsional spring (16) is equipped with to the outer end cover of pivot (7), and the both ends of reset torsional spring (16) are fixed with positioning seat (15) and pivot (7) respectively.
3. The ultra-low emission device of a coal-fired boiler according to claim 1, wherein: the dust removal box is characterized in that a fixing seat (14) is fixed at the top end of the dust removal box (1), a positioning frame (20) is fixed on the fixing seat (14), a filter cloth bag (19) is sleeved on the surface of the positioning frame (20), and the filter cloth bag (19) is fixed with the fixing seat (14) through a fixing hoop and a bolt.
4. An ultra-low emission device for a coal-fired boiler according to claim 3, wherein: and three groups of second driving shafts (21) are arranged on the positioning frame (20), and a plurality of groups of second cams (22) are uniformly fixed on the surfaces of the second driving shafts (21).
5. The ultra-low emission device of a coal-fired boiler according to claim 1, wherein: the dust collection box is characterized in that a flow guide seat (12) is fixed inside the dust collection box (1), a filter cloth bag (19) is positioned inside the flow guide seat (12), a filter screen (13) is inserted on the flow guide seat (12), and a first dust collection box (17) is communicated with the outer side of the flow guide seat (12).
6. The ultra-low emission device of a coal-fired boiler according to claim 1, wherein: the inner wall bottom of the dust collection box (1) is inclined to one side of the second dust collection box (18), and the inner wall bottom of the flow guide seat (12) is inclined to one side of the first dust collection box (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321412580.6U CN220194289U (en) | 2023-06-05 | 2023-06-05 | Ultralow emission device of coal-fired boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321412580.6U CN220194289U (en) | 2023-06-05 | 2023-06-05 | Ultralow emission device of coal-fired boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220194289U true CN220194289U (en) | 2023-12-19 |
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ID=89148943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321412580.6U Active CN220194289U (en) | 2023-06-05 | 2023-06-05 | Ultralow emission device of coal-fired boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220194289U (en) |
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2023
- 2023-06-05 CN CN202321412580.6U patent/CN220194289U/en active Active
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